Sintering tray



FIG. 1 is a perspective view showing the new design for a sintering tray;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view (not shown) being identical thereto; and,

FIG. 5 is a front side elevational view thereof, the rear side elevational view (not shown) being identical thereto.

The broken lines are included for the purpose of illustrating the environment only and form no part of the claimed design. 

The ornamental design for a sintering tray, as shown and described. 